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CVE-2018-20859
edx-platform before 2018-07-18 allows XSS via a response to a Chemical Equation advanced problem.
Medium6.1EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
edx-platform before 2018-07-18 allows XSS via a response to a Chemical Equation advanced problem.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
References (3)
- https://groups.google.com/forum/#%21topic/openedx-announce/wsm5mtUhhME (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/edx/edx-platform/commit/5b144559fbdba7ff673cc1c165aa2d343e07b6bd.patch (opens in a new tab)x_refsource_MISCx_transferred
- https://patch-diff.githubusercontent.com/raw/edx/edx-platform/pull/18639.patch (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-20859)Record last updated .